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<h2 title="Class MultidimensionalCounter" class="title">Class MultidimensionalCounter</h2>
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<pre>public class <span class="strong">MultidimensionalCounter</span>
extends <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a>&lt;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&gt;</pre>
<div class="block">Converter between unidimensional storage structure and multidimensional
conceptual structure.
This utility will convert from indices in a multidimensional structure
to the corresponding index in a one-dimensional array. For example,
assuming that the ranges (in 3 dimensions) of indices are 2, 4 and 3,
the following correspondences, between 3-tuples indices and unidimensional
indices, will hold:
<ul>
<li>(0, 0, 0) corresponds to 0</li>
<li>(0, 0, 1) corresponds to 1</li>
<li>(0, 0, 2) corresponds to 2</li>
<li>(0, 1, 0) corresponds to 3</li>
<li>...</li>
<li>(1, 0, 0) corresponds to 12</li>
<li>...</li>
<li>(1, 3, 2) corresponds to 23</li>
</ul></div>
<dl><dt><span class="strong">Since:</span></dt>
<dd>2.2</dd>
<dt><span class="strong">Version:</span></dt>
<dd>$Id: MultidimensionalCounter.java 1558833 2014-01-16 15:26:29Z erans $</dd></dl>
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<td class="colFirst"><code>class&nbsp;</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/util/MultidimensionalCounter.Iterator.html" title="class in org.apache.commons.math3.util">MultidimensionalCounter.Iterator</a></strong></code>
<div class="block">Perform iteration over the multidimensional counter.</div>
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<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/util/MultidimensionalCounter.html#MultidimensionalCounter(int...)">MultidimensionalCounter</a></strong>(int...&nbsp;size)</code>
<div class="block">Create a counter.</div>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/util/MultidimensionalCounter.html#getCount(int...)">getCount</a></strong>(int...&nbsp;c)</code>
<div class="block">Convert to unidimensional counter.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int[]</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/util/MultidimensionalCounter.html#getCounts(int)">getCounts</a></strong>(int&nbsp;index)</code>
<div class="block">Convert to multidimensional counter.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/util/MultidimensionalCounter.html#getDimension()">getDimension</a></strong>()</code>
<div class="block">Get the number of dimensions of the multidimensional counter.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/util/MultidimensionalCounter.html#getSize()">getSize</a></strong>()</code>
<div class="block">Get the total number of elements.</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code>int[]</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/util/MultidimensionalCounter.html#getSizes()">getSizes</a></strong>()</code>
<div class="block">Get the number of multidimensional counter slots in each dimension.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/util/MultidimensionalCounter.Iterator.html" title="class in org.apache.commons.math3.util">MultidimensionalCounter.Iterator</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/util/MultidimensionalCounter.html#iterator()">iterator</a></strong>()</code>
<div class="block">Create an iterator over this counter.</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/util/MultidimensionalCounter.html#toString()">toString</a></strong>()</code></td>
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<h4>MultidimensionalCounter</h4>
<pre>public&nbsp;MultidimensionalCounter(int...&nbsp;size)
throws <a href="../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html" title="class in org.apache.commons.math3.exception">NotStrictlyPositiveException</a></pre>
<div class="block">Create a counter.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>size</code> - Counter sizes (number of slots in each dimension).</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NotStrictlyPositiveException.html" title="class in org.apache.commons.math3.exception">NotStrictlyPositiveException</a></code> - if one of the sizes is
negative or zero.</dd></dl>
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<pre>public&nbsp;<a href="../../../../../org/apache/commons/math3/util/MultidimensionalCounter.Iterator.html" title="class in org.apache.commons.math3.util">MultidimensionalCounter.Iterator</a>&nbsp;iterator()</pre>
<div class="block">Create an iterator over this counter.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Iterable.html?is-external=true#iterator()" title="class or interface in java.lang">iterator</a></code>&nbsp;in interface&nbsp;<code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a>&lt;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&gt;</code></dd>
<dt><span class="strong">Returns:</span></dt><dd>the iterator.</dd></dl>
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<h4>getDimension</h4>
<pre>public&nbsp;int&nbsp;getDimension()</pre>
<div class="block">Get the number of dimensions of the multidimensional counter.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the number of dimensions.</dd></dl>
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<h4>getCounts</h4>
<pre>public&nbsp;int[]&nbsp;getCounts(int&nbsp;index)
throws <a href="../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a></pre>
<div class="block">Convert to multidimensional counter.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>index</code> - Index in unidimensional counter.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the multidimensional counts.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a></code> - if <code>index</code> is not between
<code>0</code> and the value returned by <a href="../../../../../org/apache/commons/math3/util/MultidimensionalCounter.html#getSize()"><code>getSize()</code></a> (excluded).</dd></dl>
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<h4>getCount</h4>
<pre>public&nbsp;int&nbsp;getCount(int...&nbsp;c)
throws <a href="../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a>,
<a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></pre>
<div class="block">Convert to unidimensional counter.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>c</code> - Indices in multidimensional counter.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the index within the unidimensionl counter.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if the size of <code>c</code>
does not match the size of the array given in the constructor.</dd>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a></code> - if a value of <code>c</code> is not in
the range of the corresponding dimension, as defined in the
<a href="../../../../../org/apache/commons/math3/util/MultidimensionalCounter.html#MultidimensionalCounter(int...)"><code>constructor</code></a>.</dd></dl>
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<h4>getSize</h4>
<pre>public&nbsp;int&nbsp;getSize()</pre>
<div class="block">Get the total number of elements.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the total size of the unidimensional counter.</dd></dl>
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<h4>getSizes</h4>
<pre>public&nbsp;int[]&nbsp;getSizes()</pre>
<div class="block">Get the number of multidimensional counter slots in each dimension.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the sizes of the multidimensional counter in each dimension.</dd></dl>
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<h4>toString</h4>
<pre>public&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;toString()</pre>
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